Finding the Fourth Proportional to 2,117,103.08, 3,175,649.68 and 918,870.08
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Solution
The fourth proportional to 2,117,103.08, 3,175,649.68 and 918,870.08 is: 1,378,302.98
Step by Step Solution
- Step 1: Write the proportion equation
2,117,103.08 : 3,175,649.68 = 918,870.08 : x - Step 2: Convert to fraction form
2,117,103.08/3,175,649.68 = 918,870.08/x - Step 3: Cross multiply
2,117,103.08x = 3,175,649.68 × 918,870.08 - Step 4: Simplify right side
2,117,103.08x = 2,918,009,475,513.57 - Step 5: Solve for x
x = 2,918,009,475,513.57/2,117,103.08 - Step 6: Final answer
x = 1,378,302.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.